Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
010040lightly pollutedexcellent51excellent
000041lightly pollutedexcellent41excellent
230044lightly pollutedexcellent51excellent
220048lightly pollutedexcellent41excellent
210048lightly pollutedexcellent51excellent
200049lightly pollutedexcellent51excellent
190045lightly pollutedexcellent41excellent
180022goodexcellent21excellent
170013goodexcellent11excellent
160011excellentexcellent11excellent
150010excellentexcellent11excellent
14008excellentexcellent11excellent
13007excellentexcellent11excellent
12008excellentexcellent21excellent
110014goodexcellent31excellent
100030goodexcellent51excellent
090035goodexcellent41excellent
080035goodexcellent31excellent
070032goodexcellent31excellent
060037lightly pollutedexcellent41excellent
050033goodexcellent51excellent
040029goodexcellent41excellent
030023goodexcellent41excellent
020023goodexcellent51excellent